- Choose the proper tools and set up your workbench
- Ensure personal safety and use proper eye and ear protection
- Understand how electrical components work and why they fail
- Perform preliminary diagnoses based on symptoms
- Use test equipment, including digital multimeters, ESR meters, frequency counters, and oscilloscopes
Full Answer
What is the best way to learn electronics?
The first step to take, is to get a simple understanding of the basic concepts in electronics for beginners. Learn more about the basics of current, voltage and resistance. Schematic diagrams are like recipes for electronics. They tell you exactly how to connect the components to make a certain circuit.
What kind of book is how to repair and diagnose electronics?
Repair all kinds of electrical products, from modern digital gadgets to analog antiques, with help from this updated book. How to Diagnose and Fix Everything Electronic, Second Edition, offers expert insights, case studies, and step by step instruction from a lifelong electronics guru.
What can you do with a book on electronics?
The book gives you step-by-step instructions on building your first circuits – from a blinking light to a music-playing gadget. It also covers the basics of electronics: what components you need to know, and how to choose components for your circuit.
How do I get good at building circuits?
To really get good at building circuits, I recommend my book A Beginner’s Guide to Circuits, a training manual for building circuits. Now that you have built some circuits and gotten your ears wet, it’s time to learn about microcontrollers. They are one of the most useful tools in electronics.
How do I start repairing electronics?
2:011:15:14How to repair electronics for dummies part 1 - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut you do have to understand how the components work what their job is. And you kind of have toMoreBut you do have to understand how the components work what their job is. And you kind of have to know a little bit about electricity. You know and you also have to end up taking responsibility.
How do you troubleshoot and repair electronics?
Do You Recognize the 8 Techniques to Troubleshoot Your Electronics Circuit?Confirm the Problem in the Circuit. ... Consider Visual Inspection First. ... Select Troubleshooting Tools. ... Power up the Circuit. ... Check the Power Supply Block. ... Check the Individual Components. ... Check the Main Controller. ... Check the Loads by Metered Power Supply.
How do I learn PCB repair?
How to Master PCB Repairs and Why You ShouldWhy bother mastering PCB repairs?Step-by-step instructions for a simple PCB repair. ... Step 1: Remove the damaged pad or component. ... Step 2: Clean the track and remove solder. ... Step 3: Place your copper tape over the track. ... Step 4: Solder the joints.More items...•
How can I make money repairing electronics?
Here are four awesome steps to help you start making money by repairing electronics.Repair Other People's Phones. ... Buy Broken Phones / Repair & Resell Online. ... Managing a Successful Online Electronics Repair Business. ... Teach People How To Repair Phones. ... Buy & Resell Parts To Repair Stores. ... To Wrap Everything Up.
What are the six steps of troubleshooting process?
The troubleshooting process steps are as follows:Identify the problem.Establish a theory of probable cause.Test the theory to determine the cause.Establish a plan of action to resolve the problem and implement the solution.Verify full system functionality and, if applicable, implement preventive measures.More items...•
What are the basic troubleshooting techniques?
BASIC TROUBLESHOOTINGDon't panic. Relax. ... Prepare for the worst — back it up. ... Make sure there really is a problem. ... Know your computer. ... Look for clues and write them down. ... Think about what changed recently on your computer. ... Determine repeatability. ... Reboots can do wonders sometimes.More items...
What PCB means?
Printed Circuit BoardPCB stands for Printed Circuit Board and they are at the heart of all electronic components that we use today.
How do you fix a broken circuit?
0:171:26Electrical Repair : How to Repair a Broken Circuit Breaker - YouTubeYouTubeStart of suggested clipEnd of suggested clipPull it out and pry it out comes right out of place. After that you get your new circuit breaker. GoMorePull it out and pry it out comes right out of place. After that you get your new circuit breaker. Go ahead and clip them back into place use your black wire. And start them back into your breaker.
Can you fix a cracked circuit board?
Luckily, it's possible to repair or remanufacture boards to make them like new again. This does one of two things. Either the board in question can be returned to its original device, making it function again. Or, it can be used in a completely different device, as a form of recycling if you will.
What electronics are easy to fix?
These Are the 5 Easiest Electronics to RepairAmazon Echo. What it is: Voice-activated speaker/personal assistant. iFixit verdict: "This one is just fun. ... Dell XPS 13. What it is: Laptop. ... Amazon Kindle 7th Generation. What it is: e-Reader. ... LG G4. What it is: Smartphone. ... Pebble Time. What it is: Smartwatch.
Is electronics repair a good business?
How much profit can an electronics repair business make? An electronics and computer repair business owner can earn from between $27,000 to over $100,000 per year, depending on knowledge and experience. With additional employees specializing in different types of popular devices, profits can increase substantially.
What can I salvage from electronics?
What are the best electronics to salvage parts from?Printers. Disassembling a printer can give you more reusable parts than you know what to do with. ... Audio amplifiers / sound systems. ... Microwave ovens. ... Devices with switching-mode power supplies. ... Toy robots and other motorized toys.
How do you troubleshoot an electronic board?
1:2249:24How to Troubleshoot Electronics Down to the Component ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can see here here's here's the board linear power supply kind of give you idea what's going onMoreYou can see here here's here's the board linear power supply kind of give you idea what's going on like there there's caps filter caps here here's a big old transformer.
Which is the first step followed in troubleshooting of electronic circuit?
Answer:- Gather Information. The first step of any electrical system troubleshooting exercise involves gathering as much information about the problem as possible.
How do you debug an electronic circuit?
FIRST RULE: Make sure the debugging tools are themselves working correctly. For example, test the voltmeter (DC voltage function on a digital multimeter) on a battery. Test the scope using the provided test signal. In order to debug a circuit, you must understand how it is supposed to work.
How do you fault find an electronic circuit?
What are the six key steps to approach electrical fault finding?Collect the Evidence. All the evidence collected must be relevant to the problem at hand. ... Analyse the Evidence. ... Locate the Fault. ... Determination and Removal of the Cause. ... Rectification of the Fault. ... Check the System.
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How to learn electronics?
So as soon as possible, start building circuits. This is the number one thing to do if you want to learn electronics. The easiest way to start is by building kits. You’ll get the board and all the components in one package. All you need to do is follow the instructions.
Is electronics a hard subject?
Electronics is not a hard subject to deal. It just needs your interest and love for electronics devices. To my experience, I must say that electronics in Physics is the most valuable and growing subject in this modern era where a lot is still to discover and invent.
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Cathleen Shamieh is a high-tech writer with extensive engineering and consulting experience in the fields of medical electronics, speech processing, and telecommunications. Gordon McComb writes the Robotics Resources column for SERVO Magazine, the leading hobby electronics magazine in the US.
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What is the single component that has driven the electronics revolution?
Transistors. The solid state transistor is the single component that has driven the electronics revolution. Initially they were very hard to manufacture and regarded expensive specialized parts. Improved mass production techniques gradually lead to transistors becoming cheaply and easily available.
What are the two things needed to make electricity?
2 - lushprojects.com. Batteries and Circuits. Two things are needed to make a an electricity do something useful: 1) a source of electrical potentialto provide the power, 2) a complete circuit round which electricity can flow. We are going to use a battery to provide the electrical potential.
How to make a light go out on a left hand?
Hold the end that is now on the left in your left hand and the other end in your right hand. Connect one lead (say the one in your right hand) to the negative line. The left hand light will go out. Now follow the rules: - if the right hand light is on connect the right hand lead to ground.
Do LEDs need a resistor?
They are directional and need to go in the circuit the right way round. Once a certain “on” threshold voltage is reached (about 2V for a red LED) the current through an LED rises very quickly with the voltage. In most applications a resistor is needed to protect the LED from being overloaded due to this effect.
Ohm’s Law and Joule’s Law
- Ohm’s Law and Joule’s Law are commonly used in calculations dealing with electronic circuits. These laws are straightforward, but when you’re trying to solve for one variable or another, it is easy to get them confused. The following table presents some common calculations using Ohm’s Law and Joule’s Law. In these calculations: V = voltage (in volt...
Equivalent Resistance and Capacitance Formulas
- Electronic circuits may contain resistors or capacitors in series, parallel, or a combination. You can determine the equivalent value of resistance or capacitance using the following formulas: Resistors in series: Resistors in parallel: or Capacitors in series: or Capacitors in parallel:
Kirchhoff’s Current and Voltage Laws
- Kirchhoff’s Circuit Laws are commonly used to analyze what’s going on in a closed loop circuit. Based on the principle of conservation of energy, Kirchhoff’s Current Law (KCL) states that, at any node(junction) in an electrical circuit, the sum of currents flowing into that node is equal to the sum of currents flowing out of that node, and Kirchhoff’s Voltage Law (KVL) states that the sum …
Calculating The RC Time Constant
- In a resistor-capacitor (RC) circuit, it takes a certain amount of time for the capacitor to charge up to the supply voltage, and then, once fully charged, to discharge down to 0 volts. Circuit designers use RC networks to produce simple timers and oscillators because the charge time is predictable and depends on the values of the resistor and the capacitor. If you multiply R (in ohms) by C (in f…